Balbooa Joomla Forms Builder has its own Calculator Builder that allows building different types of calculators: loan, mortgage, rent, estimate the costs of services, etc. This tutorial explains how to create a custom calculator in Joomla with Balbooa Forms.
1. Add the “Calculation” field.
2. Open Calculation Field Settings ➝ Calculation.
3. Create Calculation Formula, for example:
Open Data Tags ➝ insert the field A ➝ click "+" ➝ insert the field B.
Calculator Builder allows using different mathematical constants and functions. More information about all properties and methods you will find on MDN Web Docs website.